The output is a photorealistic 3-D rendering of your face that you can swipe from side to side.

FORBES: Hate Trying On Glasses? A New App Ends The Misery

The Unreal Development Kit for Apple devices will include tools for advanced 3-D rendering, lighting, animation and other effects.

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Glasses.com, a new venture from 1-800 Contacts, which in turn is a subsidiary of the big insurer Wellpoint, is set to unveil a new try-on technology in a couple of months that will let you see how dozens of pairs look on a 3-D rendering of your face.

FORBES: Hate Trying On Glasses? A New App Ends The Misery